- “It was not until man had learned...”(直到人类学会...后)是时间状语从句,使用过去完成时(had learned)。 - 主句动作“construction of various machines ___ possible”发生在此之后,需用一般过去时。 2. **选项逐项分析**: - **A. were made**:被动语态,但主语“construction”(单数)与复数...
Pavel took a seat at the back. The teacher, a wizened little man in a black jacket, was telling the class about the earth and the heavenly bodies, and Pavel gaped with amazement when he learned that the earth had been in existence for millions of years and that the stars too were worl...
How the iron man put Stewart on his mettleBRYN PALMER
Iron Monger / Superman / Batman (voice) How It Should Have Ended (2005) Stephen Dowling Iron Man (voice) How It Should Have Ended (2005) Victor Van Scoit Spider-Man (voice) How It Should Have Ended (2005)MOVIEmeter Members only Become a member to access additional data Try...
百度试题 结果1 题目 132. It was not until man had learned how to make iron and steel that the construction of various machines possible. A. were made B. was made C. had made D. made 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
While the MOAB is a testament to military engineering, it's essential to remember the broader implications of warfare. Whether it's the MOAB, the Massive Ordnance Penetrator (MOP), a bunker buster or nuclear weapons, the goal should always be to find peaceful solutions and avoid conflict. As...
Of course, that doesn't mean that a manned mission to Mars is akin to a vacation to California. Rovers have allowed space programs to not just explore the Martian surface but also suss out some of the issues that would arise should we one day send women or men to the planet. Contents...
Anshuman:How do you stay resilient through all of this? Because it seems like there’s so much uncertainty. George:It was like a perfect storm for me, because at the same time, we lost our son who was being a very—he wanted to take over the family business, and I was passing the...
computers. Ana: Oh, so youre a computer specialist. Ted: Well, sort of. Yeah, I guess so. Ana: Thats great. Then maybe you can give me some help with a computer course Im taking. Ted: Oh, sure...But only if you promise to give me some more rollerblading lessons. Ana: Its a ...
That’s how I got a lot of my traffic in the beginning. Felix: Cool. That makes a lot of sense. You have to slice that up. You’re not going to want to wait around for organic search traffic to come in because that’ll take too much time. Pay for the visitors, pay for the ...